Cerametallic Woofers:Klipsch Proprietary Cerametallic woofers are the RP-504C center channel speaker's signature statement for both sound and aesthetics. This extremely light, rigid materials holds its shape while being able to deliver lower frequencies with maximum efficiency.

Woofer Anatomy: Klipsch Cerametallic cones are matted to a dual-layer, copper-wound voice coil for exceptional conductivity. Reference Premiere woofers are housed in a non-resonating, stamped-steel basket that's secured to a large magnet motor for exceptional efficiency and low distortion, and matched to our horn-loaded tweeters for optimal acoustic execution.

Rear Tractrix Port:The rear Tractrix port of the Reference Premiere center channel speakers is perfectly matched to the cabinet and woofers, creating ideal airflow with minimal distortion or turbulence even at the lowest frequencies.